Pump



FIG. 1 is a perspective view of a pump as viewed from the front right side;

FIG. 2 is a perspective view of a pump as viewed from the rear left side;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in FIGS. 2, 4, and 8 are included for the purpose of illustrating portions of the pump that form no part of the claimed design. 

CLAIM The ornamental design for a pump, as shown and described. 